A bounty can be started on a question two days after the question was asked.

To start a bounty, click on the "start a bounty" link at the bottom of an eligible question. The bounty panel will open. Use the slider to allocate the bounty amount -- anywhere between 50 and 500 reputation, in 50 point increments.

You must have at least 100 reputation to start a bounty, and at least as much reputation as the bounty amount.

The bounty award will be subtracted from your reputation when the bounty is started, not when it is awarded.

@Tobias, two days!!!!!!.. i thought whole concept of bounty is to get a fast & best answer... i didnt get any replies for my question.. and the problem i am facing is critical. i need some quick answers... i am willing to offer my 1000 reputation.... its bad i have to wait for 2 days.....
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RameshVelSep 21 '10 at 10:32

@jeff, is this 2 days time really required.. because some problems are needed quick response.. like mine..
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RameshVelSep 21 '10 at 10:33

@Ramesh Vel: you can add a comment on your question promising that, but it is generally frowned upon and edited out...
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Tobias KienzlerSep 21 '10 at 10:36

3

@Ramesh - your question is only an hour old (as of this writing) and quite long, you can't expect an immediate answer for what appears to be a complicated problem.
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ChrisFSep 21 '10 at 11:13

@Chris,@Tobias, yes its a quite big question... i just wanted the question to get more attention.. thats all... anyway i got an answer... :)
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RameshVelSep 21 '10 at 14:19

1

@Ramesh, bounties have nothing to do with getting the "fast & best answer." The bounty process only promises you that a question will be featured. Ideally, the extra rep and the increased visibility will lead to better answers over the 7-day bounty period, but this is not guaranteed.
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Pops♦Sep 21 '10 at 15:47